Quantitative Analysis of Basalt Damage Under Microwave Radiation Utilizing Uniaxial Compression and Nuclear Magnetic Resonance (NMR) Experiments
Microwave-assisted rock breaking is recognized as an effective technology for reducing tool wear and enhancing rock-breaking efficiency. In this study, basalt rock was irradiated with a microwave power of 3 kW and 6 kW for 30 s, 60 s, 90 s, and 120 s. Subsequently, uniaxial compression, uniaxial loa...
Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2024-12-01
|
| Series: | Applied Sciences |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2076-3417/15/1/31 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1849219697112776704 |
|---|---|
| author | Tubing Yin Jihao Wang Jiexin Ma Jianfei Lu Hao Dai |
| author_facet | Tubing Yin Jihao Wang Jiexin Ma Jianfei Lu Hao Dai |
| author_sort | Tubing Yin |
| collection | DOAJ |
| description | Microwave-assisted rock breaking is recognized as an effective technology for reducing tool wear and enhancing rock-breaking efficiency. In this study, basalt rock was irradiated with a microwave power of 3 kW and 6 kW for 30 s, 60 s, 90 s, and 120 s. Subsequently, uniaxial compression, uniaxial loading and unloading, and acoustic emission tests were performed. The damage evolution of basalt was assessed through non-destructive acoustic testing methods and nuclear magnetic resonance (NMR) techniques. The results showed that the P-wave velocity, uniaxial compressive strength (UCS), and modulus of elasticity (E) exhibited varying degrees of deterioration as the microwave radiation time increased. An increase in microwave radiation time and power led to heightened acoustic emission activity in basalt and a significant rise in the proportion of shear cracks during uniaxial compression. From an energy perspective, microwave irradiation decreased the energy storage capacity of the basalt specimen prior to its peak point, with increased power and duration. At a microscopic level, porosity and the macroporous fractal dimension increased with extended microwave radiation time and power, indicating that microwave irradiation facilitated the growth of larger fractal pore structures. The findings of this study offer scientific insights for the application of microwave-assisted rock crushing. |
| format | Article |
| id | doaj-art-975415499f3e4d0b8f19cc4fe0eac3d3 |
| institution | Kabale University |
| issn | 2076-3417 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj-art-975415499f3e4d0b8f19cc4fe0eac3d32025-01-10T13:14:12ZengMDPI AGApplied Sciences2076-34172024-12-011513110.3390/app15010031Quantitative Analysis of Basalt Damage Under Microwave Radiation Utilizing Uniaxial Compression and Nuclear Magnetic Resonance (NMR) ExperimentsTubing Yin0Jihao Wang1Jiexin Ma2Jianfei Lu3Hao Dai4School of Resources and Safety Engineering, Central South University, Changsha 410017, ChinaSchool of Resources and Safety Engineering, Central South University, Changsha 410017, ChinaSchool of Resources and Safety Engineering, Central South University, Changsha 410017, ChinaSchool of Resources and Safety Engineering, Central South University, Changsha 410017, ChinaSchool of Resources and Safety Engineering, Central South University, Changsha 410017, ChinaMicrowave-assisted rock breaking is recognized as an effective technology for reducing tool wear and enhancing rock-breaking efficiency. In this study, basalt rock was irradiated with a microwave power of 3 kW and 6 kW for 30 s, 60 s, 90 s, and 120 s. Subsequently, uniaxial compression, uniaxial loading and unloading, and acoustic emission tests were performed. The damage evolution of basalt was assessed through non-destructive acoustic testing methods and nuclear magnetic resonance (NMR) techniques. The results showed that the P-wave velocity, uniaxial compressive strength (UCS), and modulus of elasticity (E) exhibited varying degrees of deterioration as the microwave radiation time increased. An increase in microwave radiation time and power led to heightened acoustic emission activity in basalt and a significant rise in the proportion of shear cracks during uniaxial compression. From an energy perspective, microwave irradiation decreased the energy storage capacity of the basalt specimen prior to its peak point, with increased power and duration. At a microscopic level, porosity and the macroporous fractal dimension increased with extended microwave radiation time and power, indicating that microwave irradiation facilitated the growth of larger fractal pore structures. The findings of this study offer scientific insights for the application of microwave-assisted rock crushing.https://www.mdpi.com/2076-3417/15/1/31microwave radiationnuclear magnetic resonance (NMR)acoustic emissionmacroporous fractal dimension |
| spellingShingle | Tubing Yin Jihao Wang Jiexin Ma Jianfei Lu Hao Dai Quantitative Analysis of Basalt Damage Under Microwave Radiation Utilizing Uniaxial Compression and Nuclear Magnetic Resonance (NMR) Experiments Applied Sciences microwave radiation nuclear magnetic resonance (NMR) acoustic emission macroporous fractal dimension |
| title | Quantitative Analysis of Basalt Damage Under Microwave Radiation Utilizing Uniaxial Compression and Nuclear Magnetic Resonance (NMR) Experiments |
| title_full | Quantitative Analysis of Basalt Damage Under Microwave Radiation Utilizing Uniaxial Compression and Nuclear Magnetic Resonance (NMR) Experiments |
| title_fullStr | Quantitative Analysis of Basalt Damage Under Microwave Radiation Utilizing Uniaxial Compression and Nuclear Magnetic Resonance (NMR) Experiments |
| title_full_unstemmed | Quantitative Analysis of Basalt Damage Under Microwave Radiation Utilizing Uniaxial Compression and Nuclear Magnetic Resonance (NMR) Experiments |
| title_short | Quantitative Analysis of Basalt Damage Under Microwave Radiation Utilizing Uniaxial Compression and Nuclear Magnetic Resonance (NMR) Experiments |
| title_sort | quantitative analysis of basalt damage under microwave radiation utilizing uniaxial compression and nuclear magnetic resonance nmr experiments |
| topic | microwave radiation nuclear magnetic resonance (NMR) acoustic emission macroporous fractal dimension |
| url | https://www.mdpi.com/2076-3417/15/1/31 |
| work_keys_str_mv | AT tubingyin quantitativeanalysisofbasaltdamageundermicrowaveradiationutilizinguniaxialcompressionandnuclearmagneticresonancenmrexperiments AT jihaowang quantitativeanalysisofbasaltdamageundermicrowaveradiationutilizinguniaxialcompressionandnuclearmagneticresonancenmrexperiments AT jiexinma quantitativeanalysisofbasaltdamageundermicrowaveradiationutilizinguniaxialcompressionandnuclearmagneticresonancenmrexperiments AT jianfeilu quantitativeanalysisofbasaltdamageundermicrowaveradiationutilizinguniaxialcompressionandnuclearmagneticresonancenmrexperiments AT haodai quantitativeanalysisofbasaltdamageundermicrowaveradiationutilizinguniaxialcompressionandnuclearmagneticresonancenmrexperiments |